Recent content by andy1971R

Thanks fir the replies, I didn’t think about the heat exchanger, I’ll give that a check

I have a pressurised heating and hot water system, recently I discovered alot of air in the radiators but no sign of leaks anywhere such as damp patches on the walls or anything. I recharged the system adding some more protector fluid. About 4 months later I have the same problem again with a...